Pass 1: Checking inodes, blocks, and sizes The bad block inode looks invalid. Clear? yes Pass 2: Checking directory structure Pass 3: Checking directory connectivity Pass 4: Checking reference counts Pass 5: Checking group summary information test_filesys: ***** FILE SYSTEM WAS MODIFIED ***** test_filesys: 11/16 files (0.0% non-contiguous), 21/100 blocks Exit status is 1